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Phylogenetic origin and transcriptional regulation at the post-diauxic phase of SPI1 in Saccharomyces cerevisiae

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Cardona F., Li Del Olmo M., Aranda A.

Cellular and Molecular Biology Letters

2012

tom 17

nr 3

The gene SPI1, of Saccharomyces cerevisiae, encodes a cell wall protein that is induced in several stress conditions, particularly in the postdiauxic and stationary phases of growth. It has a paralogue, SED1, which shows some common features in expression regulation and in the null mutant phenotype. In this work we have identified homologues in other species of yeasts and filamentous fungi, and we have also elucidated some aspects of the origin of SPI1, by duplication and diversification of SED1. In terms of regulation, we have found that the expression in the post-diauxic phase is regulated by genes related to the PKA pathway and stress response (MSN2/4, YAK1, POP2, SOK2, PHD1, and PHO84) and by genes involved in the PKC pathway (WSC2, PKC1, and MPK1).

Ograniczanie wyników

1 Cellular and Molecular Biology Letters

1 Aranda A.

1 Cardona F.

1 Li Del Olmo M.

1 2012

Wyniki wyszukiwania

Phylogenetic origin and transcriptional regulation at the post-diauxic phase of SPI1 in Saccharomyces cerevisiae